Sam and Dean Winchester return for a third season as the brothers with a knack for invoking angry spirits that would be better kept under lock and key, as a death sentence hangs over one of them from the Season 2 finale.

This television spin-off of one of the most popular science fiction film series of all time was always going to be an event (imagine if Aliens went on a television route after the second film rather than the other sequels and dire AvP movies).

This neat little spin-off is the collected form of the 3-4 minute long cartoon episodes that featured in the CBBC show Totally Doctor Who which accompanied the last series of the resurrected sci-fi classic.